Description Chambered like a regular round, this laser boresight is used to sight-in riflescopes and get shooters on paper without wasting time or ammo. With a visible laser up to 100 yards, day or night, the 6.5 Grendel laser boresight is ideal for hog and varmint hunters. Made of durable brass, the 6.5 Grendel utilizes an on/off end cap, has up to 1 hour of battery life and operates at temperatures from 15 to 120 degrees Fahrenheit. Sightmark’s 6.5 Grendel guarantees precision, is easy to pack and travel, and comes standard with a carrying case. Included in Package laser boresight Product Downloads Product Manual Features Precision accuracy Reliable and durable EXPORT CONTROL NOTICE: This product is controlled for export and in-country transfer under the Export Administration Regulations (EAR). division contrary to U.S. law prohibited. Specifications Laser Wavelength, nm 632-650 nm Output Power, mW <5 Battery Type 2x AG5 or 3x AG3 Battery Life 1 Hours Range for Sighting 15-100 Yards Dot Size, in. @ 100yds 2 On/Off Operation on/off end cap Construction Brass Operating temperature, F/C 15 to 120 / -9 to 48 F/C